New screenshots of projects, created with GWT-PF

New screenshots of commercial projects created with GWT-PF presented in gallery. GWT-PF, itself, have been appreciably improved - now user interface could be customized more flexible. Those features together with new visual components will appear in the next version of framework after some code refactor for public release.

ProCo Centre - control panel for an insurance company. Some new widgets were developed specially for this project: FileUpload, Multi-checkbox panel, Wizard, SideBar. There are features, added to framework:
- change form behavior in runtime;
- data type indication for individual form field;
- numbers formatting in grid and forms;